html {
    overflow: hidden;
}

html, body {
    height: 100%;
}
body {
    margin: 0;
}
#app {
    height: 100%;
}
#app {
    font-family: microsoft yahei;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
* {
    padding: 0;
    margin: 0;
}
.index{
    background: url(bg.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    -moz-background-size: 100% 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}
.headTop {
    overflow: hidden;
}
.headTop p{
    height: 60px;
    background: rgb(79,156,227);
    line-height: 60px;
    padding: 0 100px 0 66px;
    color: #f8f9f9;
    font-size: 20px;
}
.title .headIcon{
	background: url(icon1.png);
    background-position-x: 182px;
    background-position-y: 0;
    display: inline-block;
    width: 30px;
    height: 30px;
    background-size: 722%;
    vertical-align: sub;
}
.headTop .headImg{
	background: url(icon2.png);
    width: 30px;
    display: inline-block;
    height: 30px;
    background-size: 30px,30px;
    float: right;
    margin-top: 15px;
}

.index_p {
    width: 1080px;
    height: 500px;
    margin: auto;
    position: relative;
    display: -webkit-flex;
    -webkit-justify-content: space-around;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: distribute;
    justify-content: space-around;
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    /*background: orange;*/
}

.box{
    position: relative;
    width: 270px;
    height: 300px;
    margin-top: 116px;
    transition: all .2s;
    -moz-transition: all .2s;
    -webkit-transition: all .2s;
    -o-transition: all .2s;
    z-index: 100;
    /*background: blue;*/
}

.box:first-of-type .index_item{
    width: 280px;
    height: 435px;
    background: url(jiedianruzhu.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    -moz-background-size: 100% 100%;
    top: -60px;
    left: -6px;
}

.index_item {
    position: absolute;
    color: #fff;
}

.box:first-of-type .middle{
    margin: 60px 0 0 6px;
}

.middle {
    width: 270px;
    height: 300px;
    cursor: pointer;
    display: block;
}
.box:first-of-type {
    z-index: 101;
}
.box:nth-of-type(2) {
    z-index: 100;
}

.box:nth-of-type(2) .index_item{
    width: 739px;
    height: 537px;
    background: url(cheliangbaoxian.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    -moz-background-size: 100% 100%;
       top: -4px;
    left: -229px;
}
.box:nth-of-type(2) .middle {
    margin: 35px 0 0 217px;
}
.box:nth-of-type(3) .index_item{
     width: 335px;
    height: 367px;
    background: url(gerenzhengxin.png);
    top: -3px;
    left: -4px;
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.box:nth-of-type(3) .middle {
    margin: 0 0 0 6px;
}